Home / 8,814.22-13,220.69-4,135.29

Finding the Fourth Proportional to 8,814.22, 13,220.69 and 4,135.29

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Solution

The fourth proportional to 8,814.22, 13,220.69 and 4,135.29 is: 6,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.22 : 13,220.69 = 4,135.29 : x
  2. Step 2: Convert to fraction form
    8,814.22/13,220.69 = 4,135.29/x
  3. Step 3: Cross multiply
    8,814.22x = 13,220.69 × 4,135.29
  4. Step 4: Simplify right side
    8,814.22x = 54,671,394.48
  5. Step 5: Solve for x
    x = 54,671,394.48/8,814.22
  6. Step 6: Final answer
    x = 6,202.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.